:root {
  --bg: #faf6f0;
  --card: #ffffff;
  --ink: #2b2620;
  --muted: #7a7065;
  --accent: #c2552b;       /* terracotta */
  --accent-soft: #f6e3d9;
  --teal: #2b6d6a;
  --line: #e7ded2;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
}

nav[hidden] { display: none; }
nav {
  display: flex; align-items: center; gap: 1.2rem;
  padding: .8rem 1.4rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; font-size: 1.25rem; color: var(--accent); margin-right: .6rem; }
nav a { color: var(--muted); text-decoration: none; padding: .35rem .7rem; border-radius: 8px; }
nav a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
nav .whoami { margin-left: auto; color: var(--teal); font-weight: 600; }
nav button { margin-left: 0; }
nav .whoami:empty + button { margin-left: auto; }
@media (max-width: 720px) {
  nav { flex-wrap: wrap; gap: .3rem .5rem; padding: .6rem .8rem; }
  .brand { width: 100%; }
}

main { max-width: 56rem; margin: 0 auto; padding: 1.6rem 1.2rem 4rem; }

h1 { font-size: 1.7rem; margin: .4rem 0 .2rem; }
h2 { font-size: 1.2rem; margin: 1.6rem 0 .6rem; }
.sub { color: var(--muted); margin: 0 0 1.4rem; }

button, .btn {
  font: inherit; cursor: pointer;
  background: var(--accent); color: #fff;
  border: 0; border-radius: 10px; padding: .55rem 1.1rem;
}
button.ghost, .btn.ghost { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
button:disabled { opacity: .45; cursor: default; }

input, select {
  font: inherit; padding: .55rem .8rem;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
}

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.1rem 1.3rem; margin-bottom: 1rem;
}
.card.click { cursor: pointer; transition: transform .08s ease, box-shadow .08s ease; }
.card.click:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(60,40,20,.08); }

.meta { color: var(--muted); font-size: .92rem; }
.tags { margin-top: .4rem; display: flex; flex-wrap: wrap; gap: .35rem; }
.tag {
  background: var(--accent-soft); color: var(--accent);
  border-radius: 999px; padding: .1rem .65rem; font-size: .85rem;
}
.tag.teal { background: #e2efee; color: var(--teal); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }

/* login */
.login { max-width: 24rem; margin: 14vh auto 0; text-align: center; }
.login input { width: 100%; margin: 1rem 0; text-align: center; }
.err { color: #a33; }

/* talk page */
.talk-circle {
  width: 11rem; height: 11rem; border-radius: 50%;
  margin: 1.5rem auto; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
  font-size: 1.05rem; font-weight: 600; text-align: center;
  border: 3px solid var(--accent); cursor: pointer; user-select: none;
  transition: background .3s ease;
}
.talk-circle.live { background: var(--accent); color: #fff; animation: breathe 2.4s infinite; }
@keyframes breathe { 0%,100% { box-shadow: 0 0 0 0 rgba(194,85,43,.35);} 50% { box-shadow: 0 0 0 18px rgba(194,85,43,0);} }
#transcript { max-height: 20rem; overflow-y: auto; }
#transcript .line { margin: .35rem 0; }
#transcript .who { font-weight: 600; color: var(--teal); margin-right: .4rem; }
#transcript .who.user { color: var(--accent); }

/* family tree */
#treebox { overflow-x: auto; }
.node rect { fill: #fff; stroke: var(--line); rx: 10; }
.node text { font-size: 13px; fill: var(--ink); }
.node .rel { font-size: 11px; fill: var(--muted); }
.edge { stroke: #c9bda9; stroke-width: 1.5; fill: none; }
.edge.spouse { stroke: var(--accent); stroke-dasharray: 4 3; }

#drop {
  border: 2px dashed #cbbfae; border-radius: var(--radius);
  padding: 2rem 1rem; text-align: center; color: var(--muted); cursor: pointer;
}
#drop.over { border-color: var(--accent); background: var(--accent-soft); }

pre.result { background: #f4efe7; border-radius: 10px; padding: 1rem; white-space: pre-wrap; }
.ok { color: var(--teal); font-weight: 600; }
.bad { color: #a33; font-weight: 600; }
ol.steps li { margin: .55rem 0; }
code { background: #f1ebe1; border-radius: 6px; padding: .08rem .35rem; font-size: .9em; }